Siemens 6ES7953-8LG31-0AA0 SIMATIC S7-300 128KB Micro Memory Card
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6ES7953-8LG31-0AA0
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Siemens
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Product Overview
Key Features & Technical Specifications
Memory Capacity: Provides 128 KB of dedicated Flash memory for small-to-medium PLC control programs.
CPU Compatibility: Designed exclusively as a mandatory storage unit for SIMATIC S7-300, C7, and ET 200 CPU modules.
Battery-Free Retention: Ensures non-volatile data backup during power losses without relying on a backup battery.
Supply Voltage: Powered directly via the CPU card slot at standard 3.3 V DC operating levels.
Extended Longevity: Supports at least 100,000 write/erase cycles for long-term operational endurance on factory floors.
Standardized Form: Features standard SIMATIC MMC physical dimensions (24 mm x 32 mm x 1.4 mm) for instant slot mounting.
Service Utility: Facilitates effortless firmware flashing and program updates across compatible automation networks.
Applications
The 6ES7953-8LG31-0AA0 128KB MMC card is universally deployed across compact automation setups powered by SIMATIC S7-300 controllers. It is critical for small packaging equipment, standalone water pump stations, conveyor system panels, and localized HVAC control units. Since S7-300 CPUs cannot execute user programs without a valid memory card inserted, having this genuine 128KB MMC guarantees smooth machine commissioning, complete hardware configuration retention, and fast power-up recovery.
Henan 4.0 Automation Equipment Co., Ltd. is a one-step service manufacturer, mainly representing a full range of industrial control products from Siemens, Schneider, and Huichuan, and developing and producing distributed PLC IO modules and frequency converters under its GKONE brand; Production, research and development, and sales of low-voltage electrical products: fan filters, heaters, thermostat and hygrostat, control transformers, wiring terminals, cabinet lights, wire ducts, and various accessories, and provision of assembly for the entire cabinet.
The company has an efficient, professional, and experienced high-tech R&D team and multiple fully automated production lines, ensuring the automation, standardization, precision, and efficiency of the production process. The company has been rated as a national high-tech enterprise and has obtained certifications of ISO9001, ISO14001, and ISO45001.
The quality of each delivered goods are independently guaranteed by our complete technology process, detailed operation procedure and strict quality testing system. And have also won unanimous praise from our customers. Our customers are gradually increasing and covering Europe, North and South America, and Asia, There are over 50 countries and regions in Oceania and South Africa.
Integrating the highest quality supply chain in China and providing customers with cost-effective products and services made in China has always been our pursuit. We look forward to extensive cooperation and common development with you.
